Technical Physics Letters
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Mechanism of tribo-induced structure modification for nanocomposite Mo-S-C-H thin film coatings
Fominski V.Yu.
1, Demin M.V.
2, Fominski D.V.
1, Gritskevich M.D.
1, Goikhman A.Yu.
2
1National Research Nuclear University “MEPhI”, Moscow, Russia
2Immanuel Kant Baltic Federal University, Kaliningrad, Russia
2Immanuel Kant Baltic Federal University, Kaliningrad, Russia
Email: vyfominskij@mephi.ru, sterlad@mail.ru, dmitryfominski@gmail.com
Comparative studies of the tribological properties of solid lubricant coatings of three main types (MoS2, a-C(H)) and Mo-S-C-H in an inert gas medium have been carried out. It has been established that the coefficient of friction for the Mo-S-C-H nanocomposite coating is somewhat higher than for the other two. And its wear resistance is comparable to a-C(H) and higher than that of MoS2. The friction coefficient of the Mo-S-C-H coating was determined by the nature of tribo-induced surface modification. It included the formation of a nanofilm with a thickness of 6 nm and layered atomic packing characteristic of the MoS2 phase and graphitization of the a-C(H) nanophase, which was accumulated in wear debris. Keywords: nanocomposites, molybdenum disulfide, amorphous carbon, solid lubricant coatings, tribological properties.
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Дата начала обработки статистических данных - 27 января 2016 г.